${\varphi }_2$

$A_1$

$A_2$

$A_3$

$A_1$

0.0000

0.2292

0.9756

0.6277

$A_2$

−0.8726

0.0000

−1.3089

0.5844

$A_3$

0.2562

0.3438

0.0000

0.6780

$A_4$

−2.3896

−2.2246

−2.5811

0.0000